APA aipamena

Powell, R. E., & Shah, S. M. (1972). Summability theory and its applications.

Chicago Style aipamena

Powell, R E., and S M. Shah. Summability Theory and Its Applications. Van Nostrand Reinhold Co., London, 1972.

MLA aipamena

Powell, R E., and S M. Shah. Summability Theory and Its Applications. 1972.